MWRA's mission is to provide reliable, cost-effective high quality water and sewer services that protect public health, promote environmental stewardship, maintain customer confidence and support a prosperous economy. MWRA's long-term business plan emphasizes improvements in service and systems and includes aggressive performance targets for operating the water and wastewater systems and maintaining new and existing facilities. With these goals in mind, each year MWRA prepares a proposed budget that reflects the best available information about anticipated expenditures and revenues.